通过高温裂解酚醛树脂制备气体分离用炭膜——裂解温度及臭氧后处理的作用分析

新型炭材料, 2013, 28(1): 39-46. doi: 10.1016/S1872-5805(13)60063-3

通过高温裂解酚醛树脂制备气体分离用炭膜——裂解温度及臭氧后处理的作用分析

^1, , ^2, , ^3,

1.Gas Research Division, Research Institute of Petroleum Industry, West Blvd.Azadi Sport Complex, Tehran, Iran;Research Center for Membrane Separation Processes, Chemical Engineering Department,Iran University of Science and Technology(IUST), Narmak, Tehran, Iran

2.Research Center for Membrane Separation Processes, Chemical Engineering Department,Iran University of Science and Technology(IUST), Narmak, Tehran, Iran

3.Gas Research Division, Research Institute of Petroleum Industry, West Blvd.Azadi Sport Complex, Tehran, Iran

关键词：碳分子筛 , 酚醛树脂炭膜 , 气体分离 , 臭氧

Gas separation performance of carbon materials produced from phenolic resin: Effects of carbonization temperature and ozone post treatment

Mohammad Mahdyarfar ^1, , Toraj Mohammadi ^2, , Ali Mohajeri ^3,

2.Research Center for Membrane Separation Processes, Chemical Engineering Department,Iran University of Science and Technology(IUST), Narmak, Tehran, Iran

3.Gas Research Division, Research Institute of Petroleum Industry, West Blvd.Azadi Sport Complex, Tehran, Iran

Keywords： Carbon molecular sieve , Phenolic resin , Carbon membrane , Gas separation

炭膜可以通过各种前驱体,如酚醛树脂的高温裂解方法制备.该过程中,裂解条件对炭膜的性质有较大影响.研究不同裂解温度及臭氧后处理对炭膜的孔隙率及气体吸附行为的影响.结果表明,当裂解温度升高(由500℃提高到800℃),炭膜的平均孔径减小,孔体积与气体吸附能力先增大后减小.在800℃下,炭膜表现出分子筛的分离性能.臭氧后处理过程使炭膜孔径增大,气体吸附效率及动态吸附选择性降低,弱化了炭膜的分离性能.

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